Journal article Open Access

Compressed sensing of twisted photons

Karimi, Ebrahim; Leuchs, Gerd

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<oai_dc:dc xmlns:dc="" xmlns:oai_dc="" xmlns:xsi="" xsi:schemaLocation="">
  <dc:creator>Karimi, Ebrahim</dc:creator>
  <dc:creator>Leuchs, Gerd</dc:creator>
  <dc:description>The ability to completely characterize the state of a quantum system is an essential element for the emerging quantum technologies. Here, we present a compressed-sensing inspired method to ascertain any rank-deficient qudit state, which we experimentally encode in photonic orbital angular momentum. We efficiently reconstruct these qudit states from a few scans with an intensified CCD camera. Since it requires only a few intensity measurements, our technique would provide an easy and accurate way to identify quantum sources, channels, and systems.</dc:description>
  <dc:subject>compressed sensing</dc:subject>
  <dc:title>Compressed sensing of twisted photons</dc:title>
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